以《国际地层指南》的多重地层划分观点为基础，建立了一套完整的义县组岩石岩层单位。
According to the multiple stratigraphic division of the International stratigraphic Guide, a complete column of lithostratigraphic units of the Yixian Formation has been erected.
无可否认的是，对于大型企业来说这是极具挑战性的，因为他们的规模、报告结构和多重地理范围的因素。
Admittedly, this can be a challenging activity for large enterprises because of their sheer size, reporting structures, and tendency to spread departments across multiple geographies.
因为新技术在冬天赛跑衣服，不见了是那每天当经过户外的冬天被沉重地走的跑步者跑穿着许多重又不舒服的衣服的练习。
Because of new technology in winter running clothes, gone are the days when runners trudged through outdoor winter running workouts wearing lots of heavy and uncomfortable clothing.
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